ABSORBING BOUNDARY-CONDITIONS FOR THE FINITE-DIFFERENCE TIME-DOMAIN CALCULATION OF THE ONE-DIMENSIONAL SCHRODINGER-EQUATION

被引：52
|
作者：
SHIBATA, T
机构：
[1] NTT LSI Laboratories, Atsugi 243-01
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 08期
关键词：
D O I：
10.1103/PhysRevB.43.6760
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The absorbing boundary conditions for the finite-difference calculation of the time-dependent one-dimensional Schrodinger equation are presented. These are the local boundary conditions that approximate the one-way wave equation of a wave function. The conditions minimize undesirable reflections at the artifical boundaries of the area of computation, thus enabling us to limit the computation area efficiently. The calculations of the transmission coefficient of multibarrier tunneling show the validity of the method.
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页码：6760 / 6763
页数：4
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